package com.sfac.springboot.config;


import com.sfac.springboot.interceptor.ViewMappingInterceptor;
import org.apache.catalina.connector.Connector;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
import org.springframework.boot.web.servlet.server.ServletWebServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.ResourceUtils;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
@AutoConfigureAfter({WebMvcAutoConfiguration.class})
public class WebMvcConfig implements WebMvcConfigurer {

    @Value("${server.http.port}")
    private int httpPort;

    @Autowired
    private ResourceConfigBean resourceConfigBean;

    @Autowired
    private ViewMappingInterceptor vMInterceptor;

    @Bean
    public Connector connector (){
        Connector connector = new Connector();
        connector.setPort(httpPort);
        connector.setScheme("http");
        return connector;
    }

    @Bean
    public ServletWebServerFactory servletWebServerFactory(){
        TomcatServletWebServerFactory factory = new TomcatServletWebServerFactory();
        factory.addAdditionalTomcatConnectors(connector());
        return factory;
    }



    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        String osName = System.getProperty("os.name");
        if (osName.toLowerCase().startsWith("win")){
            //将本地文件夹(D:/static)映射给系统一个路径(/static)
            registry.addResourceHandler(resourceConfigBean.getResourcePathPattern())
                    .addResourceLocations(ResourceUtils.FILE_URL_PREFIX
                            + resourceConfigBean.getLocalPathForWin());
        }else {
            registry.addResourceHandler(resourceConfigBean.getResourcePathPattern())
                    .addResourceLocations(ResourceUtils.FILE_URL_PREFIX
                            + resourceConfigBean.getLocalPathForLin());

        }
    }

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOrigins("*")
                .allowedOriginPatterns("*")
                .allowedMethods("*")
                .maxAge(3600);
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(vMInterceptor).addPathPatterns("/**");
    }
}
